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/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2006 Klaus Bartz
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.installer.gui;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.LayoutManager2;
import javax.swing.JComponent;
import com.izforge.izpack.api.data.InstallData;
import com.izforge.izpack.gui.IzPanelConstraints;
import com.izforge.izpack.gui.IzPanelLayout;
import com.izforge.izpack.gui.LayoutConstants;
import com.izforge.izpack.installer.data.GUIInstallData;
/**
* This class manages the layout for IzPanels. The layout related methods in IzPanel delegates the
* work to this class. Use the layout helper directly because the delegating methods in IzPanel will
* be removed in the future.
* This layout helper works with a GridBagLayout or a IzPanelLayout as layout manager. The layout
* manager has to be set at calling the method startLayout. This method has to be
* called before the first add of a component to the IzPanel.
*
* @author Klaus Bartz
*/
public class LayoutHelper implements LayoutConstants
{
JComponent parent;
/**
* Indicates whether grid bag layout was started or not
*/
protected boolean layoutStarted = false;
/**
* The default grid bag constraint.
*/
protected Object defaultConstraints;
/**
* Current x position of grid.
*/
protected int gridxCounter = -1;
/**
* Current y position of grid.
*/
protected int gridyCounter = -1;
/**
* internal layout
*/
protected LayoutManager2 izPanelLayout;
/**
* Layout anchor declared in the xml file with the guiprefs modifier "layoutAnchor"
*/
protected static int ANCHOR = -1;
protected static int X_STRETCH_TYPE = -1;
protected static int Y_STRETCH_TYPE = -1;
protected static double FULL_LINE_STRETCH_DEFAULT = -1.0;
protected static double FULL_COLUMN_STRETCH_DEFAULT = -1.0;
protected static Double INITIAL_STRETCH_DEFAULT = 1.0;
protected static Double DOUBLE_ZERO = 0.0;
/**
* The installation data.
*/
private final InstallData installData;
/**
* Look-up table for gap identifier to gap names for the x direction. The gap names can be used
* in the XML installation configuration file. Be aware that case sensitivity should be used.
*/
public final static String[] X_GAP_NAME_LOOK_UP = {"INTERNAL_USED", "labelXGap", "textXGab",
"controlXGap", "paragraphXGap", "labelToTextXGap", "labelToControlXGap",
"textToLabelXGap", "controlToLabelXGap", "controlToTextXGap", "textToControlXGap",
"firstXGap", "INTERNAL_USED", "INTERNAL_USED", "filler1XGap", "filler2XGap",
"filler3XGap", "filler4XGap", "filler5XGap"};
/**
* Look-up table for gap identifier to gap names for the y direction. The gap names can be used
* in the XML installation configuration file. Be aware that case sensitivity should be used.
*/
public final static String[] Y_GAP_NAME_LOOK_UP = {"INTERNAL_USED", "labelYGap", "textYGab",
"controlYGap", "paragraphYGap", "labelToTextYGap", "labelToControlYGap",
"textToLabelYGap", "controlToLabelYGap", "controlToTextYGap", "textToControlYGap",
"firstYGap", "INTERNAL_USED", "INTERNAL_USED", "filler1YGap", "filler2YGap",
"filler3YGap", "filler4YGap", "filler5YGap"};
/**
* Identifier of x gap for all default x gaps.
*/
public final static String ALL_X_GAP = "allXGap";
/**
* Identifier of x gap for all default y gaps.
*/
public final static String ALL_Y_GAP = "allYGap";
/**
* Creates a layout manager for special purpose.
*
* @param parent for which this layout manager will be used
* @param installData the installation data
*/
public LayoutHelper(JComponent parent, InstallData installData)
{
this(installData);
this.parent = parent;
izPanelLayout = new GridBagLayout();
parent.setLayout(izPanelLayout);
gridyCounter++;
}
/**
* Constructs a LayoutHelper.
*
* @param installData the installation data
*/
protected LayoutHelper(InstallData installData)
{
this.installData = installData;
}
/**
* Returns whether the used layout is a GridBagLayout or not.
*
* @return whether the used layout is a GridBagLayout or not
*/
private boolean isGridBag()
{
return (izPanelLayout instanceof GridBagLayout);
}
/**
* Returns whether the used layout is an IzPanelLayout or not.
*
* @return whether the used layout is an IzPanelLayout or not
*/
private boolean isIzPanel()
{
return (izPanelLayout instanceof IzPanelLayout);
}
// ------------------- Common Layout stuff -------------------- START ---
/**
* Start layout determining. If it is needed, a dummy component will be created as first row.
* This will be done, if the IzPack guiprefs modifier with the key "layoutAnchor" has the value
* "SOUTH" or "SOUTHWEST". The earlier used value "BOTTOM" and the declaration via the IzPack
* variable IzPanel.LayoutType are also supported.
*
* @param layout layout to be used by this layout helper
*/
public void startLayout(LayoutManager2 layout)
{
if (layoutStarted)
{
return;
}
izPanelLayout = layout;
if (isGridBag())
{
startGridBagLayout();
return;
}
// TODO: impl for IzPanelLayout
if (isIzPanel())
{
startIzPanelLayout();
}
}
/**
* Special start method for IzPanelLayout. Called from startLayout.
*/
private void startIzPanelLayout()
{
IzPanelLayout.setAnchor(getAnchor());
IzPanelLayout.setXStretchType(getXStretchType());
IzPanelLayout.setYStretchType(getYStretchType());
IzPanelLayout.setFullLineStretch(getFullLineStretch());
IzPanelLayout.setFullColumnStretch(getFullColumnStretch());
getXGap(LABEL_GAP); // This call triggers resolving external setting if not already done.
getYGap(LABEL_GAP); // This call triggers resolving external setting if not already done.
parent.setLayout(izPanelLayout);
// parent.add(IzPanelLayout.createGap(TOP_GAP, VERTICAL));
}
/**
* Complete layout determining. If it is needed, a dummy component will be created as last row.
* This will be done, if the IzPack guiprefs modifier with the key "layoutAnchor" has the value
* "NORTH" or "NORTHWEST". The earlier used value "TOP" and the declaration via the IzPack
* variable IzPanel.LayoutType are also supported.
*/
public void completeLayout()
{
if (isGridBag())
{
completeGridBagLayout();
}
// TODO: impl for IzPanelLayout
}
/**
* Returns the default constraints of this panel.
*
* @return the default constraints of this panel
*/
public Object getDefaultConstraints()
{
startLayout(izPanelLayout);
return defaultConstraints;
}
/**
* Sets the default constraints of this panel to the given object.
*
* @param constraints which should be set as default for this object
*/
public void setDefaultConstraints(Object constraints)
{
startLayout(izPanelLayout);
if ((isGridBag() && !(constraints instanceof GridBagConstraints))
|| (isIzPanel() && !(constraints instanceof IzPanelConstraints)))
{
throw new IllegalArgumentException(
"Layout and constraints have to be from the same type.");
}
defaultConstraints = constraints;
}
/**
* Resets the grid counters which are used at getNextXConstraints and getNextYConstraints.
*/
public void resetGridCounter()
{
gridxCounter = -1;
gridyCounter = -1;
}
/**
* Returns a newly created constraints with the given values and the values from the default
* constraints for the other parameters.
*
* @param gridx value to be used for the new constraint
* @param gridy value to be used for the new constraint
* @return newly created constraints with the given values and the values from the default
* constraints for the other parameters
*/
public Object getNewConstraints(int gridx, int gridy)
{
if (isGridBag())
{
GridBagConstraints retval = (GridBagConstraints) ((GridBagConstraints) getDefaultConstraints())
.clone();
retval.gridx = gridx;
retval.gridy = gridy;
return (retval);
}
if (isIzPanel())
{
IzPanelConstraints retval = (IzPanelConstraints) ((IzPanelConstraints) getDefaultConstraints())
.clone();
retval.setXPos(gridx);
retval.setYPos(gridy);
return (retval);
}
return (null);
}
/**
* Returns a newly created constraints with the given values and the values from the
* defaultGridBagConstraints for the other parameters.
*
* @param gridx value to be used for the new constraint
* @param gridy value to be used for the new constraint
* @param gridwidth value to be used for the new constraint
* @param gridheight value to be used for the new constraint
* @return newly created constraints with the given values and the values from the default
* constraints for the other parameters
*/
public Object getNewConstraints(int gridx, int gridy, int gridwidth, int gridheight)
{
Object retval = getNewConstraints(gridx, gridy);
if (isGridBag())
{
GridBagConstraints gbc = (GridBagConstraints) retval;
gbc.gridwidth = gridwidth;
gbc.gridheight = gridheight;
}
if (isIzPanel())
{
IzPanelConstraints gbc = (IzPanelConstraints) retval;
gbc.setXWeight(gridwidth);
gbc.setYWeight(gridheight);
}
return (retval);
}
/**
* Returns a newly created constraints for the next column of the current layout row.
*
* @return a newly created constraints for the next column of the current layout row
*/
public Object getNextXConstraints()
{
gridxCounter++;
return (getNewConstraints(gridxCounter, gridyCounter));
}
/**
* Returns a newly created constraints with column 0 for the next row.
*
* @return a newly created constraints with column 0 for the next row
*/
public Object getNextYConstraints()
{
gridyCounter++;
gridxCounter = 0;
return (getNewConstraints(0, gridyCounter));
}
/**
* Returns a newly created constraints with column 0 for the next row using the given
* parameters.
*
* @param gridwidth width for this constraint
* @param gridheight height for this constraint
* @return a newly created constraints with column 0 for the next row using the given parameters
*/
public Object getNextYConstraints(int gridwidth, int gridheight)
{
gridyCounter++;
gridxCounter = 0;
return (getNewConstraints(0, gridyCounter, gridwidth, gridheight));
}
// ------------------- Common Layout stuff -------------------- END ---
// ------------------- GridBag Layout stuff -------------------- START ---
/**
* Start layout determining. If it is needed, a dummy component will be created as first row.
* This will be done, if the IzPack guiprefs modifier with the key "layoutAnchor" has the value
* "SOUTH" or "SOUTHWEST". The earlier used value "BOTTOM" and the declaration via the IzPack
* variable IzPanel.LayoutType are also supported.
*/
private void startGridBagLayout()
{
if (layoutStarted)
{
return;
}
layoutStarted = true;
if (izPanelLayout == null || !(izPanelLayout instanceof GridBagLayout))
{
izPanelLayout = new GridBagLayout();
}
GridBagConstraints dgbc = new GridBagConstraints();
dgbc.insets = new Insets(0, 0, getYGap(LABEL_GAP), 0);
dgbc.anchor = GridBagConstraints.WEST;
defaultConstraints = dgbc;
parent.setLayout(izPanelLayout);
switch (getAnchor())
{
case SOUTH:
case SOUTH_WEST:
// Make a header to push the rest to the bottom.
IzPanel.Filler dummy = new IzPanel.Filler();
GridBagConstraints gbConstraint = (GridBagConstraints) getNextYConstraints();
gbConstraint.weighty = 1.0;
gbConstraint.fill = GridBagConstraints.BOTH;
gbConstraint.anchor = GridBagConstraints.WEST;
parent.add(dummy, gbConstraint);
break;
default:
break;
}
// TODO: impl for layout type CENTER, ...
}
/**
* Complete layout determining. If it is needed, a dummy component will be created as last row.
* This will be done, if the IzPack guiprefs modifier with the key "layoutAnchor" has the value
* "NORTH" or "NORTHWEST". The earlier used value "TOP" and the declaration via the IzPack
* variable IzPanel.LayoutType are also supported.
*/
private void completeGridBagLayout()
{
switch (getAnchor())
{
case NORTH:
case NORTH_WEST:
// Make a footer to push the rest to the top.
IzPanel.Filler dummy = new IzPanel.Filler();
GridBagConstraints gbConstraint = (GridBagConstraints) getNextYConstraints();
gbConstraint.weighty = 1.0;
gbConstraint.fill = GridBagConstraints.BOTH;
gbConstraint.anchor = GridBagConstraints.WEST;
parent.add(dummy, gbConstraint);
break;
default:
break;
}
}
/**
* Returns the anchor as value declared in GridBagConstraints. Possible are NORTH, NORTHWEST,
* SOUTH, SOUTHWEST and CENTER. The values can be configured in the xml description file with
* the variable "IzPanel.LayoutType". The old values "TOP" and "BOTTOM" from the xml file are
* mapped to NORTH and SOUTH.
*
* @return the anchor defined in the IzPanel.LayoutType variable.
*/
public int getAnchor()
{
if (ANCHOR >= 0)
{
return (ANCHOR);
}
String todo;
if (installData instanceof GUIInstallData
&& ((GUIInstallData) installData).guiPrefs.modifier.containsKey("layoutAnchor"))
{
todo = ((GUIInstallData) installData).guiPrefs.modifier.get("layoutAnchor");
}
else
{
todo = installData.getVariable("IzPanel.LayoutType");
}
if (todo == null) // No command, no work.
{
ANCHOR = CENTER;
}
else if ("EAST".equalsIgnoreCase(todo))
{
ANCHOR = EAST;
}
else if ("WEST".equalsIgnoreCase(todo))
{
ANCHOR = WEST;
}
else if ("TOP".equalsIgnoreCase(todo) || "NORTH".equalsIgnoreCase(todo))
{
ANCHOR = NORTH;
}
else if ("BOTTOM".equalsIgnoreCase(todo) || "SOUTH".equalsIgnoreCase(todo))
{
ANCHOR = SOUTH;
}
else if ("SOUTHWEST".equalsIgnoreCase(todo) || "SOUTH_WEST".equalsIgnoreCase(todo))
{
ANCHOR = SOUTH_WEST;
}
else if ("SOUTHEAST".equalsIgnoreCase(todo) || "SOUTH_EAST".equalsIgnoreCase(todo))
{
ANCHOR = SOUTH_EAST;
}
else if ("NORTHWEST".equalsIgnoreCase(todo) || "NORTH_WEST".equalsIgnoreCase(todo))
{
ANCHOR = NORTH_WEST;
}
else if ("NORTHEAST".equalsIgnoreCase(todo) || "NORTH_EAST".equalsIgnoreCase(todo))
{
ANCHOR = NORTH_EAST;
}
else if ("CENTER".equalsIgnoreCase(todo))
{
ANCHOR = CENTER;
}
return (ANCHOR);
}
/**
* Returns the gap which should be used between the given gui objects for the x direction. The
* value will be configurable by guiprefs modifiers. Valid values are all entries in the static
* String array X_GAP_NAME_LOOK_UP of this class. There are constant ints for the indexes of
* this array.
*
* @param gapId index in array GAP_NAME_LOOK_UP for the needed gap
* @return the gap depend on the xml-configurable guiprefs modifier
*/
public int getXGap(int gapId)
{
gapId = IzPanelLayout.verifyGapId(gapId);
if (IzPanelLayout.getDefaultXGap(GAP_LOAD_MARKER) >= 0)
{
return (IzPanelLayout.getDefaultXGap(gapId));
}
if (!(installData instanceof GUIInstallData))
{
return (IzPanelLayout.getDefaultXGap(gapId));
}
String var;
GUIInstallData id = (GUIInstallData) installData;
int commonDefault = -1;
if (id.guiPrefs.modifier.containsKey(ALL_X_GAP))
{
try
{
commonDefault = Integer.parseInt(id.guiPrefs.modifier.get(ALL_X_GAP));
}
catch (NumberFormatException nfe)
{
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
for (int i = 0; i < X_GAP_NAME_LOOK_UP.length; ++i)
{
int currentDefault = 0;
if (commonDefault >= 0)
{
currentDefault = commonDefault;
}
else
{
var = id.guiPrefs.modifier.get(X_GAP_NAME_LOOK_UP[i]);
if (var != null)
{
try
{
currentDefault = Integer.parseInt(var);
}
catch (NumberFormatException nfe)
{
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
}
IzPanelLayout.setDefaultXGap(currentDefault, i);
}
IzPanelLayout.setDefaultXGap(0, GAP_LOAD_MARKER); // Mark external settings allready
// loaded.
return (IzPanelLayout.getDefaultXGap(gapId));
}
/**
* Returns the gap which should be used between the given gui objects for the y direction. The
* value will be configurable by guiprefs modifiers. Valid values are all entries in the static
* String array Y_GAP_NAME_LOOK_UP of this class. There are constant ints for the indexes of
* this array.
*
* @param gapId index in array GAP_NAME_LOOK_UP for the needed gap
* @return the gap depend on the xml-configurable guiprefs modifier
*/
public int getYGap(int gapId)
{
gapId = IzPanelLayout.verifyGapId(gapId);
if (IzPanelLayout.getDefaultYGap(GAP_LOAD_MARKER) >= 0)
{
return (IzPanelLayout.getDefaultYGap(gapId));
}
if (!(installData instanceof GUIInstallData))
{
return (IzPanelLayout.getDefaultYGap(gapId));
}
String var;
GUIInstallData id = (GUIInstallData) installData;
int commonDefault = -1;
if (id.guiPrefs.modifier.containsKey(ALL_Y_GAP))
{
try
{
commonDefault = Integer.parseInt(id.guiPrefs.modifier.get(ALL_Y_GAP));
}
catch (NumberFormatException nfe)
{
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
for (int i = 0; i < Y_GAP_NAME_LOOK_UP.length; ++i)
{
int currentDefault = 0;
if (commonDefault >= 0)
{
currentDefault = commonDefault;
}
else
{
var = id.guiPrefs.modifier.get(Y_GAP_NAME_LOOK_UP[i]);
if (var != null)
{
try
{
currentDefault = Integer.parseInt(var);
}
catch (NumberFormatException nfe)
{
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
}
IzPanelLayout.setDefaultYGap(currentDefault, i);
}
IzPanelLayout.setDefaultYGap(0, GAP_LOAD_MARKER); // Mark external settings allready
// loaded.
return (IzPanelLayout.getDefaultYGap(gapId));
}
/**
* Returns the used stretch type for the x direction. Possible are NO_STRETCH, RELATIVE_STRETCH
* and ABSOLUTE_STRETCH. The stretch type will be used at rows where one or more components has
* a stretch value greater than 0.0 in the constraints. If NO_STRETCH is used, no stretch will
* be performed. If ABSOLUTE_STRETCH is used, parts of the unused area are given to the
* components depending on the unmodified stretch value. At RELATIVE_STRETCH first the hole
* stretch for a row will be computed. Relative to this value the unused area will be splited.
* The default type is ABSOLUTE_STRETCH. With the modifier "layoutXStretchType" of the "info"
* section of the installation configuration file this can be changed.
*
* @return used stretch type
*/
public int getXStretchType()
{
if (X_STRETCH_TYPE > -1)
{
return (X_STRETCH_TYPE);
}
X_STRETCH_TYPE = ABSOLUTE_STRETCH;
String var = ((String) getModifierValue(null, "RELATIVE_STRETCH", null,
"layoutXStretchType", installData));
if (var != null)
{
if ("RELATIVE_STRETCH".equalsIgnoreCase(var) || "RELATIVE".equalsIgnoreCase(var))
{
X_STRETCH_TYPE = RELATIVE_STRETCH;
}
else if ("ABSOLUTE_STRETCH".equalsIgnoreCase(var) || "ABSOLUTE".equalsIgnoreCase(var))
{
X_STRETCH_TYPE = ABSOLUTE_STRETCH;
}
else if ("NO_STRETCH".equalsIgnoreCase(var) || "NO".equalsIgnoreCase(var))
{
X_STRETCH_TYPE = NO_STRETCH;
}
}
return (X_STRETCH_TYPE);
}
/**
* Returns the used stretch type for the y direction. Possible are NO_STRETCH, RELATIVE_STRETCH
* and ABSOLUTE_STRETCH. The stretch type will be used at rows where one or more components has
* a stretch value greater than 0.0 in the constraints. If NO_STRETCH is used, no stretch will
* be performed. If ABSOLUTE_STRETCH is used, parts of the unused area are given to the
* components depending on the unmodified stretch value. At RELATIVE_STRETCH first the hole
* stretch for a row will be computed. Relative to this value the unused area will be splited.
* The default type is ABSOLUTE_STRETCH. With the modifier "layoutYStretchType" of the "info"
* section of the installation configuration file this can be changed.
*
* @return used stretch type
*/
public int getYStretchType()
{
if (Y_STRETCH_TYPE > -1)
{
return (Y_STRETCH_TYPE);
}
Y_STRETCH_TYPE = ABSOLUTE_STRETCH;
String var = ((String) getModifierValue(null, "RELATIVE_STRETCH", null, "layoutYStretchType", installData));
if (var != null)
{
if ("RELATIVE_STRETCH".equalsIgnoreCase(var) || "RELATIVE".equalsIgnoreCase(var))
{
Y_STRETCH_TYPE = RELATIVE_STRETCH;
}
else if ("ABSOLUTE_STRETCH".equalsIgnoreCase(var) || "ABSOLUTE".equalsIgnoreCase(var))
{
Y_STRETCH_TYPE = ABSOLUTE_STRETCH;
}
else if ("NO_STRETCH".equalsIgnoreCase(var) || "NO".equalsIgnoreCase(var))
{
Y_STRETCH_TYPE = NO_STRETCH;
}
}
return (Y_STRETCH_TYPE);
}
/**
* Returns the default value for stretching to a full line. With the modifier
* "layoutFullLineStretch" of the "info" section of the installation configuration file this can
* be changed. Valid are doubles for the value. This setting is possible to give panels a chance
* to center the controls in x direction also a control uses stretching.
*
* @return the default value for stretching to a full line
*/
public double getFullLineStretch()
{
FULL_LINE_STRETCH_DEFAULT = (Double) getModifierValue(
FULL_LINE_STRETCH_DEFAULT, INITIAL_STRETCH_DEFAULT, DOUBLE_ZERO, "layoutFullLineStretch", installData);
return (FULL_LINE_STRETCH_DEFAULT);
}
/**
* Returns the default value for stretching to a full column. With the modifier
* "layoutFullColumnStretch" of the "info" section of the installation configuration file this
* can be changed. Valid are doubles for the value. This setting is possible to give panels a
* chance to center the controls in y direction also a control uses stretching.
*
* @return the default value for stretching to a full column
*/
public double getFullColumnStretch()
{
FULL_COLUMN_STRETCH_DEFAULT = (Double) getModifierValue(FULL_COLUMN_STRETCH_DEFAULT, INITIAL_STRETCH_DEFAULT,
DOUBLE_ZERO,
"layoutFullColumnStretch", installData);
return (FULL_COLUMN_STRETCH_DEFAULT);
}
private static Object getModifierValue(Object currentVal, Object defaultVal, Object readLimit,
String key, InstallData idata)
{
if (defaultVal instanceof Integer)
{
if ((Integer) currentVal >= (Integer) readLimit)
{
return (currentVal);
}
}
if (defaultVal instanceof Double)
{
if ((Double) currentVal >= (Double) readLimit)
{
return (currentVal);
}
}
Object retval = defaultVal;
if (!(idata instanceof GUIInstallData))
{
return (retval);
}
String var = null;
if (((GUIInstallData) idata).guiPrefs.modifier.containsKey(key))
{
var = ((GUIInstallData) idata).guiPrefs.modifier.get(key);
if (var != null)
{
try
{
if (defaultVal instanceof Integer)
{
return (Integer.parseInt(var));
}
if (defaultVal instanceof Double)
{
return (Double.parseDouble(var));
}
return (var);
}
catch (NumberFormatException nfe)
{
// Do nothing else use the default value.
// Need to set it again at this position??
}
}
}
return (retval);
}
/**
* Returns the layout manager which current used by this layout helper. The layout manager
* implements LayoutManager2. It can be a GridBagLayout or a IzPanelLayout.
*
* @return current used layout manager
*/
public LayoutManager2 getLayout()
{
return izPanelLayout;
}
/**
* Sets the given layout manager for this layout helper to be used.
*
* @param izPanelLayout layout manager to be used
*/
public void setLayout(LayoutManager2 izPanelLayout)
{
this.izPanelLayout = izPanelLayout;
}
/**
* Sets the parameters of a GridBagConstraints object.
*
* @param gbc The constraints object.
* @param gx The x coordinates.
* @param gy The y coordinates.
* @param gw The width.
* @param wx The x wheight.
* @param wy The y wheight.
* @param gh Description of the Parameter
*/
public static void buildConstraints(GridBagConstraints gbc, int gx, int gy, int gw, int gh, double wx,
double wy)
{
gbc.gridx = gx;
gbc.gridy = gy;
gbc.gridwidth = gw;
gbc.gridheight = gh;
gbc.weightx = wx;
gbc.weighty = wy;
}
}
